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Small Mersenne Prime Factors
Prime numbers of the form Mp= 2p − 1 are called Mersenne primes. For Mp to be prime, p must also be prime.
Any factor q of a Mersenne number 2p − 1 must be of the form 2kp + 1, where integer k ≥ 0. Furthermore, q must be 1 or 7 mod 8.
Exponent Prime Factor Digits Year
40788743815774878 ~1990
407889076526225139 ~1993
407890793263126339 ~1992
40789139815782798 ~1990
40789163815783278 ~1990
40789379815787598 ~1990
40789439815788798 ~1990
40789559815791198 ~1990
40789643815792878 ~1990
407899932447399599 ~1992
40791011815820238 ~1990
40791599815831998 ~1990
40791671815833438 ~1990
40793279815865598 ~1990
407936993263495939 ~1992
40794599815891998 ~1990
40795739815914798 ~1990
407958917343260399 ~1993
40796831815936638 ~1990
40797479815949598 ~1990
40797899815957998 ~1990
40798319815966398 ~1990
40799351815987038 ~1990
40799459815989198 ~1990
40799483815989678 ~1990
Exponent Prime Factor Digits Year
40799939815998798 ~1990
40800131816002638 ~1990
40800983816019678 ~1990
40801199816023998 ~1990
40801451816029038 ~1990
40801511816030238 ~1990
408023812448142879 ~1992
40802543816050878 ~1990
40803187367228683110 ~1995
40803239816064798 ~1990
40803443718140596910 ~1995
40803491816069838 ~1990
40803599816071998 ~1990
40805123816102478 ~1990
40805351816107038 ~1990
40805651816113038 ~1990
408065172448391039 ~1992
40807223816144478 ~1990
40807271816145438 ~1990
40807391816147838 ~1990
40807631816152638 ~1990
408078473264627779 ~1992
40807979816159598 ~1990
40808063816161278 ~1990
40808639816172798 ~1990
Exponent Prime Factor Digits Year
40808711816174238 ~1990
40808723816174478 ~1990
40808759816175198 ~1990
40809551816191038 ~1990
40810103816202078 ~1990
40810691816213838 ~1990
40810739816214798 ~1990
40810883816217678 ~1990
40811399816227998 ~1990
40812311816246238 ~1990
40812899816257998 ~1990
40812923816258478 ~1990
40813079816261598 ~1990
40813403816268078 ~1990
40813823816276478 ~1990
408148973265191779 ~1992
408152172448913039 ~1992
40815959816319198 ~1990
40816211816324238 ~1990
408162895714280479 ~1993
40816577489798924110 ~1995
408181317347263599 ~1993
408188572449131439 ~1992
40819199816383998 ~1990
408194234081942319 ~1992
Exponent Prime Factor Digits Year
40820159816403198 ~1990
40820291816405838 ~1990
408210372449262239 ~1992
40821359816427198 ~1990
40822109587838369710 ~1995
408225772449354639 ~1992
40822823816456478 ~1990
40823663498048688710 ~1995
40824263816485278 ~1990
40824323816486478 ~1990
40824911816498238 ~1990
40825139816502798 ~1990
40825523816510478 ~1990
40825919816518398 ~1990
40827131816542638 ~1990
40827719816554398 ~1990
40828031816560638 ~1990
40828499816569998 ~1990
40828583816571678 ~1990
40828811816576238 ~1990
40828943816578878 ~1990
40829339816586798 ~1990
40829543816590878 ~1990
40829963816599278 ~1990
40830011816600238 ~1990
2171
GIMPS The Prime Pages FactorDb.com
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26-08-02